DevTools: [CodeMirror] roll CodeMirror to version @e20d175

Source/devtools/front_end/cm/headlesscodemirror.js

 // Content of the function is equal to runmode-standalone.js file
 // from CodeMirror distribution
 (function(window) {
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
 window.CodeMirror = {};
 
 (function() {
 "use strict";
 
 function splitLines(string){ return string.split(/\r?\n|\r/); };
 
 function StringStream(string) {
   this.pos = this.start = 0;
   this.string = string;
@@ skipping 121 matching lines @@
       } else {
         node.appendChild(document.createTextNode(content));
       }
     };
   }
 
   var lines = splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
   for (var i = 0, e = lines.length; i < e; ++i) {
     if (i) callback("\n");
     var stream = new CodeMirror.StringStream(lines[i]);
+    if (!stream.string && mode.blankLine) mode.blankLine(state);
     while (!stream.eol()) {
       var style = mode.token(stream, state);
       callback(stream.current(), style, i, stream.start, state);
       stream.start = stream.pos;
     }
   }
 };
 })();
-
 }(this))